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Originally Posted by Clocker
That answers the age old mystery as to why T-Rex never developed space travel.
The article talks about six mass extinction events, and this "charismatic paleontologist" says that they were caused by greenhouse gases. Given no apparent evidence that any of those extinct species had developed the internal combustion engine or other major uses of evil carbon-based fuels, what caused global warming in the past? Woolly mammoth farts?
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Every one of the extinction events over the past 500M years were caused by extraterrestrial objects slamming into Earth or by volcanic activity. Some may say that volcanism released CO2, therefore that is the cause, but it isn't that simple. In at least two cases, it was the release of sulpher creating sulphuric acid that helped kill off life.
